Cov txheej txheem:
Video: Yuav ua li cas thiaj nrhiav tau cov lus nug Access?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2024-01-18 08:24
Rounding hauv Access
- Lub built-in muaj nuj nqi. Siv cov Hloov () ua haujlwm hauv Kev Tswj Qhov Chaw ntawm lub thawv ntawv, lossis hauv kev suav nug teb.
- Rounding down. Rau puag ncig tag nrho cov nqi qis qis mus rau tus lej qis, siv Int():
- Rounding nce .
- Hloov mus ze tshaj 5 xees.
- Hloov mus txog $1000.
- Vim li cas puag ncig ?
- Bankers rounding.
- Floating point yuam kev.
Yog li ntawd, yuav ua li cas koj sib sau ua ke hauv kev nkag?
ROUNDUP coj zoo li ROV , tsuas yog nws ib txwm ncig ib tus lej nce . Yog tias num_digits ntau dua 0 (zero), ces tus lej yog puag ncig mus rau tus lej ntawm cov lej lej. Yog tias num_digits yog 0, ces tus lej yog puag ncig mus rau tus lej ze tshaj plaws.
Ib tug kuj yuav nug, Banker lub rounding yog dab tsi? Cov tuam txhab nyiaj Rounding yog ib qho algorithm rau puag ncig Qhov ntau rau cov lej, nyob rau hauv cov lej uas sib npaug los ntawm ob tus lej ze tshaj plaws yog sib npaug mus rau qhov ze tshaj plaws txawm tus lej. Yog li, 0.5 rounds mus rau 0; 1.5 teev mus txog 2.
Cov lus nug tseem yog, koj ua li cas hloov cov lej hauv kev nkag?
Kev daws teeb meem
- Nyem qhov DataSheet tab. Hauv pawg Views, nyem qhov xub hauv qab Saib, thiab tom qab ntawd nyem Tsim Saib.
- Nrhiav kab ntawv uas koj xav hloov, thiab tom qab ntawd teeb tsa cov cuab yeej Field Size ntawm kem mus rau Ob lossis rau Decimal.
- Txuag lub rooj.
Qhov kev sib cav precision hloov txoj kev ua haujlwm puag ncig li cas?
Piv txwv li, yog tias cov precision yog sab laug los yog teem rau xoom, nws yuav puag ncig mus rau tag nrho tus lej ze tshaj plaws. Txawm li cas los xij, puag ncig tib tus lej thiab hloov tus precision rau 1 yuav puag ncig mus rau qhov ze tshaj plaws thib kaum es tsis yog tus lej ze tshaj plaws.
Pom zoo:
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